body {
  width: 100%;
  height: 100%;
  background-image: url('./th1.jpg');
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-size: cover;
  background-color: #cccccc;
}
.layui-icon {
  font-size: 150px;
  color: whitesmoke;
}
.main-box {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-wrap: wrap;
  width: 600px;
  height: 400px;
}
.main-box div {
  width: 200px;
  height: 200px;
  text-align: center;
  font-size: 20px;
  color: #fff;
}
.main-box h3 {
  font-size: 20px;
  color: #fff;
}
.about-me {
  cursor: pointer;
}
